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  3. Edward Wilson is America’s, if not the world’s, leading naturalist. In The Future of Life, he takes us on a tour of the world’s

Edward Wilson is America’s, if not the world’s, leading naturalist. In The Future of Life, he takes us on a tour of the world’s

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问题     Edward Wilson is America’s, if not the world’s, leading naturalist. In The Future of Life, he takes us on a tour of the world’s natural resources(资源). How are they used? What has been lost? What remains and is it able to continue with the present speed of use? Wilson also points out the need to understand fully the biodiversity(生物多样性)of our earth.
    Wilson begins with an open letter to the pioneer in environment(环境)protection, Henry David Thoreau. He compares today’s Walden Pond with that of Thoreau’s day. Wilson will use such comparisons for the rest of the book. The problem is clear; man has done great damage to his home over the years. Van the earth, with human help, be made to return to biodiversity levels that will be able to support us in the future?
    Biodiversity, Wilson argues, is the key to settling many problems the earth faces today. Even our agricultural crops can gain advantages from it. A mere hundred species(物种)are the basis of our food supply, of which but twenty carry the load. Wilson suggests changing this situation by looking into ten thousand species that could be made use of, which will be a way to reduce the clearing of the natural homes of plants and animals to enlarge farming areas.
    At the end of the book, Wilson discusses the importance of human values in considering the environment. If you are to continue to live on the earth, you may well read and act on the ideas in this book.
Wilson suggests that one way to keep biodiversity is to______.
选项 A、learn how to farm scientifically
B、build homes for some dying species
C、make it clear what to eat
D、use more species for food
答案D
解析 细节理解题。从文章第三段中的“Wilson suggests changing this situation by looking into ten thousand species that could be made use of，which will be a way to reduce the clearing of the natural homes of plants and animals to enlarge farming areas．”可知Wilson建议保持地球生物多样性的方法之一就是寻求更多的可以利用的物种。
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